The dyeing of silk Part 4 heterobifunctional dyes

被引：20

作者：

Burkinshaw, S. M. ^{[1
]}

Paraskevas, M. ^{[1
]}

机构：

[1] Univ Leeds, Leeds LS2 9JT, W Yorkshire, England

来源：

DYES AND PIGMENTS | 2011年 / 88卷 / 03期

关键词：

Reactive dyes; Modified vinylsulfone; Silk; Dyeing; Wash off; BIFUNCTIONAL REACTIVE DYES; FIBERS; SOLUBILITY;

D O I：

10.1016/j.dyepig.2010.08.018

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

The exhaustion and fixation of three commercial aminochlorotriazine/masked vinylsulfone dyes were both pH- and temperature-dependent Optimum dye fixation was obtained at pH 8 as a corollary of a high number of nucleophilic -NH2 groups in the fibre high conversion of the masked form of the dye to the reactive VS variant as well as reaction with OH-containing amino acid residues The marked temperature-dependence of dye fixation achieved in the pH range 3 to 9 demonstrated the importance of kinetic factors in dye fibre reaction The wash-off method used was very effective in removing unfixed/hydrolysed dye from the silk fabric and as a result the dyeings displayed very good fastness to washing at 40 degrees C (C) 2010 Elsevier Ltd All rights reserved

引用

页码：396 / 402

页数：7

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